介绍自然单元法(NEM)在处理二维弹性力学问题中的应用.该方法利用求解点的自然邻接点和V orono i结构构造整体近似位移函数,且在求解区域的D e launay三角形子域上采用G a lerk in过程建立整体求解的系统平衡方程,其积分可在背景三角形...介绍自然单元法(NEM)在处理二维弹性力学问题中的应用.该方法利用求解点的自然邻接点和V orono i结构构造整体近似位移函数,且在求解区域的D e launay三角形子域上采用G a lerk in过程建立整体求解的系统平衡方程,其积分可在背景三角形网格上采用数值积分得到.展开更多
There are many forms of tensor theory which are quite different. Discussions are put forward and their relationships are found. The differences between them depend on whether there is metric on the space and the basis...There are many forms of tensor theory which are quite different. Discussions are put forward and their relationships are found. The differences between them depend on whether there is metric on the space and the basis is orthonormal.展开更多
基金Sponsored by the National Natural Science Foundation of China(10372074)
文摘There are many forms of tensor theory which are quite different. Discussions are put forward and their relationships are found. The differences between them depend on whether there is metric on the space and the basis is orthonormal.